A practical treatise on modern gas and oil engines (1902)
Grover, Frederick · Manchester, The Technical Publishing Co., Limited; [etc., etc.] · leaf 282
ng the entropy for the temperatures thus obtainedTve have 0„ _ 0„ = Qv loge — = 0196 log, -3^^= 0 3053 ENTROPY CHARTS APPLIED TO GAS ENGINES. 271 From the point 3 to point 4 of the indicator diagram thegas should expand without gain or loss of heat. That isequivalent to saying that the index n in… … Fio. 122. From the point E to G we have the change in entropythus— «i - 04 = Cv loge 2[35 = - 2452 From the values worked out for the entropy changes atthe higher theoretical temperatures, we plot the curves2 3 F, E 41 (fig. 122). The area here enclosed depicts thetheoretical possibilities of the…
Internal combustion engines
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